垂
C
Home / Products / Potassium standard solution
Potassium standard solution

Potassium standard solution

Potassium standard solution

Potassium standard solution, available grades: Analytical Standard 100–1000 μg/mL; also 0.02–0.1 mol/L (matrix: water / 1% HCl). Potassium calibration standard; the dilute acid matrix is corrosive and is declared as Class 8 (UN 3264, packing group III). Used to prepare potassium calibration curves for AAS, ICP and ion chromatography and for determining potassium in water, food and fertilisers.

OEM supported. Custom purity & specifications available, please contact our manager.

Hazard Class:Class 8 (Corrosive substance)
Inquire Now WhatsApp Us Back to Products

Specifications

AliasPotassium ICP standard, Potassium AAS standard
CAS Number7440-09-7Molecular FormulaKCl
Molecular Weight39.0983AppearanceClear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 100–1000 μg/mL
HS Code3822.00UN Number3264
Density0.86 at 68 °F (USCG, 1999) - Less dense than water; will floatBoiling Point1425 °F at 760 mmHg (USCG, 1999)
Melting Point145 °F (USCG, 1999)Flash PointNot Applicable. Combustible solid. (USCG, 1999)
OriginChinaVapor Pressure8 mm Hg at 432 °C
SolubilitySoluble in liquid ammonia, ethylenediamine, aniline; soluble in several metals; forms liquid alloys with other alkali metalsStorage ConditionCool, dark place, tightly sealed, away from acids, oxidizers and foodstuffs
Packaging500 mL / 25 L / 200 L / 1 tShelf Life6-24 months
GradeAnalytical Standard 100–1000 μg/mL; also 0.02–0.1 mol/L (matrix: water / 1% HCl)EINECSN/A
MDLMFCD00133776China Customs Code3822009000
GHS ClassificationWarning: H290; H315; H319Hazard ClassClass 8 (Corrosive substance)
CategoryExplosive PrecursorsUpdated2026-09-12

Products

Inquiry & Procurement

To purchase this product, please provide the CAS number, purity requirement and quantity; our sales team will reply with pricing and lead time within 24 hours on business days.

Frequently asked questions about Potassium standard solution

What is Potassium standard solution? What is its CAS number?

Potassium standard solution is an industrial chemical raw material. Its CAS number is 7440-09-7. Its molecular formula is KCl, with a molecular weight of 39.0983. Common synonyms include Potassium ICP standard, Potassium AAS standard. Typical appearance: Clear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 100–1000 μg/mL.

What are the synonyms and registry numbers of Potassium standard solution?

Potassium standard solution (CAS 7440-09-7) is listed under the following identifiers. Synonyms: Potassium ICP standard, Potassium AAS standard. MDL number: MFCD00133776.

What documents are provided with Potassium standard solution (CAS 7440-09-7)?

A Certificate of Analysis (COA) is issued for each batch of Potassium standard solution. Standard purity grade: Industrial Grade. Safety Data Sheet (MSDS/SDS) and technical data sheet are available on request before ordering.

Is Potassium standard solution classified as dangerous goods? Which UN number applies?

Transport of Potassium standard solution (CAS 7440-09-7) is arranged according to its hazardous classification. UN number: 3264. GHS hazard statements: H290, H315, H319. We ship under IMDG (sea), IATA (air) or ADR (road) rules with compliant UN packaging; the final classification is confirmed against the batch test report.

What are the typical physical and chemical properties of Potassium standard solution?

Typical properties of Potassium standard solution (CAS 7440-09-7): appearance Clear colourless odourless solution, prepared in water or 1% hydrochloric acid matrix at 100–1000 μg/mL; density 0.86 at 68 °F (USCG, 1999) - Less dense than water; will float; melting point 145 °F (USCG, 1999); boiling point 1425 °F at 760 mmHg (USCG, 1999); flash point Not Applicable. Combustible solid. (USCG, 1999); vapor pressure 8 mm Hg at 432 °C; solubility Soluble in liquid ammonia, ethylenediamine, aniline; soluble in several metals; forms liquid alloys with other alkali metals. These are reference values, not a batch specification.

What is the HS code for Potassium standard solution?

The HS code for Potassium standard solution (CAS 7440-09-7) is 3822.00. Customs classification may differ by destination country, so please confirm the final code with us before ordering.
Didn't find your answer?View the full sourcing & export FAQ